import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '@/components/Welcome'
import Users from '@/components/user/Users'
import Rights from '@/components/power/Rights'
import Roles from '@/components/power/Roles'
import Cate from '@/components/goods/Cate'
import Params from '@/components/goods/Params'
import GoodsList from '@/components/goods/List'
import Add from '@/components/goods/Add'
import Order from '@/components/order/Order'
import Report from '@/components/report/Report'
Vue.use(Router)


const router = new Router({
    routes: [{
            path: '/login',
            component: Login
        },
        {
            path: '/',
            redirect: '/login'
        },
        {
            path: '/home',
            component: Home,
            /*子路由进行重定向*/
            redirect: '/welcome',
            children: [{
                    path: '/welcome',
                    component: Welcome
                },
                {
                    path: '/users',
                    component: Users
                },
                {
                    path: '/rights',
                    component: Rights
                },
                {
                    path: '/roles',
                    component: Roles
                },
                {
                    path: '/categories',
                    component: Cate
                }, {
                    path: '/params',
                    component: Params
                }, {
                    path: '/goods',
                    component: GoodsList,
                },{
                    path: '/goods/add',
                    component: Add,
                },{
                    path: '/orders',
                    component: Order,
                },{
                    path: '/reports',
                    component: Report,
                }
            ]
        }
    ]
})
// 注册路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    // 具体看Docs ：https://router.vuejs.org/zh/guide/advanced/navigation-guards.html#%E5%85%A8%E5%B1%80%E5%89%8D%E7%BD%AE%E5%AE%88%E5%8D%AB
    if (to.path === '/login') return next()
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) {
        return next('/login')
    } else {
        next()
    }
})

export default router